Error “Outlook Web App didn’t initialize. If the problem continues, please contact your helpdesk.”

Recently, I faced an issue logging in to OWA on our client’s Exchange 2010 server. The error reported was as follows :

Outlook Web App didn’t initialize. If the problem continues, please contact your helpdesk.
Couldn’t find a base theme (folder name=base)

owa1

Initial troubleshooting steps were taken, like restarting the Microsoft Exchange Form Based Authentication service, re-creating OWA virtual directories etc..

Upon further researching on the issue, I found a similar post online where the OWA crashed after installing the Exchange updates..

So, in order to resolve the issue all you need to do is launch Exchange Management Shell, navigate to the location C:\Program Files\Microsoft\Exchange Server\V14\Bin and then execute the power shell script UpdateCas.ps1.

owa2

This script will find your OWA/ECP virtual directories, update them and make some modifications to metabase etc.. Once completed, you will be able to access your OWA/ECP like before.. 🙂

 

Reference :- https://social.technet.microsoft.com/Forums/exchange/en-US/dd91598d-3af9-4a98-8493-34726c763c62/owa-failed-to-initialize-after-install-of-rollup-1-for-exchage-sp1?forum=exchange2010

3 comments on “Error “Outlook Web App didn’t initialize. If the problem continues, please contact your helpdesk.”

  1. Worked like a charm, thanks a lot. My Exchange 2010 CAS server was exhibiting the “Outlook web app didn’t initialize” error after upgrading to RU16, i ran the UpdateCAS script as suggested and voila, i can access my OWA site once again.

  2. this also worked on exchange 2013, just went through it. ECP and OWA not working after CU updated. In this case it was CU23 on exchange 2013. plus a cu23 security KB.

  3. forgot to mention , also ran UpdateConfigFiles.ps1 from the same folder. situation was one cas and two MBX servers in a dag.

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